US11937375B2ActiveUtilityA1

Wireless communication device manufacturing method and wireless communication device manufacturing apparatus

Assignee: MURATA MANUFACTURING COPriority: Oct 15, 2018Filed: Apr 8, 2021Granted: Mar 19, 2024
Est. expiryOct 15, 2038(~12.2 yrs left)· nominal 20-yr term from priority
H05K 13/0469B32B 37/22H04B 1/3827H05K 13/0404G06K 19/07749G06K 19/07754G06K 19/07718
79
PatentIndex Score
1
Cited by
13
References
16
Claims

Abstract

A material sheet is provided having antenna patterns that include first and second coupling portions that are transported toward a mounting position, and an adhesive member that is disposed on the material sheet before reaching the mounting position. At a pickup position, a mounting device picks up an RFIC module including an RFIC chip and first and second terminal electrodes connected to the RFIC chip. At the mounting position, the mounting device mounts the picked-up RFIC module onto the adhesive member on the material sheet so that the first coupling portion and the first terminal electrode face each other and so that the second coupling portion and the second terminal electrode face each other.

Claims

exact text as granted — not AI-modified
What is claimed: 
     
       1. A method for manufacturing a wireless communication device, the method comprising:
 transporting a material sheet containing one surface having at least one antenna pattern, which includes first and second coupling portions, towards a mounting position; 
 applying an adhesive member having a stickiness to the one surface of the material sheet before the material sheet reaches the mounting position; 
 picking up, by a mounting device, a radio-frequency integrated circuit (RFIC) module that includes an RFIC chip and first and second terminal electrodes connected to the RFIC chip, at a pickup position; 
 mounting, by the mounting device, the picked-up RFIC module onto the adhesive member on the material sheet at the mounting position where the first coupling portion faces the first terminal electrode and the second coupling portion faces the second terminal electrode; and 
 winding up, by a recovery reel having a winding shaft with a radius R, the material sheet having the picked-up RFIC module mounted at the mounting position with the other surface of the material sheet contacting the picked-up RFIC module mounted on the adhesive member on the one surface of the material sheet, 
 wherein the adhesive member is applied to the material sheet, before the mounting device mounts the picked-up RFIC module onto the adhesive member, to have a protrusion amount B that protrudes past each side of the RFIC module in a winding direction of the recovery reel when the picked-up RFIC module is mounted onto the adhesive member, with the protrusion amount B satisfying Equation 1: 
 
       
         
           
             
               B 
               < 
               
                 
                   ( 
                   
                     R 
                     × 
                     
                       
                         cos 
                         
                           - 
                           1 
                         
                       
                       ( 
                       
                         R 
                         
                           R 
                           + 
                           H 
                         
                       
                       ) 
                     
                   
                   ) 
                 
                 ÷ 
                 2 
               
             
           
         
         wherein H is a thickness of the picked-up RFIC module. 
       
     
     
       2. The method of  claim 1 , further comprising pulling the material sheet having the at least one antenna pattern out from a feed reel around which the material sheet is wound, to be transported towards the mounting position. 
     
     
       3. The method of  claim 2 , wherein the adhesive member is an insulating sticky layer and is applied on the material sheet in a state of being wound around the feed reel. 
     
     
       4. The method of  claim 1 , wherein, in a stacking direction of the material sheet, the adhesive member, and the RFIC module, the first coupling portion has a size that is larger than a size of the first terminal electrode, and the second coupling portion has a size that is larger than a size of the second terminal electrode. 
     
     
       5. The method of  claim 4 , wherein, in the stacking direction, a pitch spacing between the first coupling portion and the second coupling portion and a pitch spacing between the first terminal electrode and the second terminal electrode are defined so that the first terminal electrode lies at a center of the first coupling portion and so that the second terminal electrode lies at a center of the second coupling portion. 
     
     
       6. The method of  claim 5 , wherein in the stacking direction, a first region enclosing the first and second terminal electrodes in a minimum area is smaller than the adhesive member and lies within a contour line of the adhesive member, and the adhesive member is smaller than a second region enclosing the first and second coupling portions in a minimum area and lies within the second region. 
     
     
       7. The method of  claim 1 , further comprising sucking and holding the RFIC module by a mounting head of the mounting device that has a plurality of nozzles. 
     
     
       8. The method of  claim 7 , further comprising transporting the material sheet towards the mounting position while a single nozzle of the plurality of nozzles of the mounting head is picking up the RFIC module at the pickup position. 
     
     
       9. The method of  claim 8 , further comprising fixing a portion of the material sheet lying at the mounting position while the single nozzle of the plurality of nozzles of the mounting head mounts the RFIC module onto the adhesive member on the material sheet. 
     
     
       10. The method of  claim 1 , further comprising providing the RFIC module to comprise a matching circuit disposed between the RFIC chip and the first and second terminal electrodes. 
     
     
       11. The method of  claim 10 , wherein the matching circuit is constructed to match the RFIC chip and the first and second terminal electrodes at a predetermined resonance frequency that is configured as a communication frequency of the wireless communication device. 
     
     
       12. A wireless communication device manufacturing apparatus comprising:
 a transporting device configured to transport a material sheet containing one surface having at least one antenna pattern including first and second coupling portions towards a mounting position; 
 an applying device configured to apply an adhesive member having a stickiness to the one surface of the material sheet before the material sheet reaches the mounting position; 
 a mounting device configured to:
 pick up, at a pickup position, a radio-frequency integrated circuit (RFIC) module including an RFIC chip and first and second terminal electrodes connected to the RFIC chip, and 
 mount, at the mounting position, the picked-up RFIC module onto the adhesive member on the material sheet at a position where the first coupling portion faces the first terminal electrode and the second coupling portion faces the second terminal electrode; and 
 
 a recovery reel having a winding shaft with a radius R and being configured to wind up the material sheet having the picked-up RFIC module mounted at the mounting position with the other surface of the material sheet contacting the picked-up RFIC module mounted on the adhesive member on the one surface of the material sheet, 
 wherein the applying device is configured to apply the adhesive member to the material sheet, before the mounting device mounts the picked-up RFIC module onto the adhesive member, to have a protrusion amount B that protrudes past each side of the RFIC module in a winding direction of the recovery reel when the picked-up RFIC module is mounted onto the adhesive member, with the protrusion amount B satisfying Equation 1: 
 
       
         
           
             
               B 
               < 
               
                 
                   ( 
                   
                     R 
                     × 
                     
                       
                         cos 
                         
                           - 
                           1 
                         
                       
                       ( 
                       
                         R 
                         
                           R 
                           + 
                           H 
                         
                       
                       ) 
                     
                   
                   ) 
                 
                 ÷ 
                 2 
               
             
           
         
         wherein H is a thickness of the picked-up RFIC module. 
       
     
     
       13. The wireless communication device manufacturing apparatus of  claim 12 , wherein the mounting device comprises a mounting head with a plurality of nozzles that are each configured to suck and hold an individual RFIC module. 
     
     
       14. The wireless communication device manufacturing apparatus of  claim 13 , wherein the transporting device is further configured to transport the material sheet towards the mounting position while a single nozzle of the plurality of nozzles of the mounting head is picking up the RFIC module at the pickup position. 
     
     
       15. The wireless communication device manufacturing apparatus of  claim 14 , wherein the transporting device is further configured to fix a portion of the material sheet lying at the mounting position while the single nozzle of the plurality of nozzles of the mounting head mounts the RFIC module onto the adhesive member on the material sheet. 
     
     
       16. The wireless communication device manufacturing apparatus of  claim 12 , wherein the adhesive member is an insulating sticky layer and is applied on the material sheet in a state of being wound around a feed reel.

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